Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Questions that life scientists today are trying to answer include all of the
following EXCEPT
a. | the part of a person’s inherited information responsible for certain inherited
diseases. | b. | how the human body responds to space travel. | c. | how shells have
changed over time. | d. | the age of the oldest
star. |
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2.
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Which of these is NOT a type of scientific model?
a. | mathematical model | c. | fashion model | b. | physical model | d. | conceptual
model |
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3.
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What term refers to the amount of space an object takes up?
a. | volume | c. | area | b. | mass | d. | length |
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4.
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What molecule is the major energy carrier in the cell?
a. | nucleic acid | c. | phospholipid | b. | ATP | d. | lipid |
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5.
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Which of the following reproduce through asexual reproduction?
a. | humans | c. | fish | b. | hydra | d. | birds |
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6.
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What are food, water, air, and a place to live?
a. | characteristics of living things | c. | examples of living
things | b. | basic needs of most living things | d. | stimuli |
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7.
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What is DNA?
a. | a carbohydrate | c. | a lipid | b. | a protein | d. | a nucleic acid |
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8.
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What is one thing all living things do?
a. | They grow and develop. | c. | They shrink as they get older. | b. | They stay the
same. | d. | They go through five
stages. |
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9.
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How do people warm up their bodies when they are cold?
a. | sweat | c. | move to a shady area | b. | shiver | d. | stay still |
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10.
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Moving materials through a cell membrane by active transport requires the use
of
a. | light. | c. | water. | b. | energy. | d. | endocytosis. |
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11.
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What gas is released during cellular respiration?
a. | carbon dioxide | c. | sunlight | b. | nitrogen | d. | oxygen |
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12.
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Which one of the following is the name for the way cells divide in asexual
reproduction?
a. | twins | c. | meiosis | b. | mitosis | d. | homologous |
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13.
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What is a trait?
a. | different forms of meiosis | c. | different forms of
chromatids | b. | different forms of a pedigree | d. | different forms of a
characteristic |
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14.
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Offspring that are different from both parents are produced by
a. | asexual reproduction. | c. | sexual reproduction. | b. | something going wrong. | d. | mitosis. |
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15.
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A tobacco plant with a firefly gene that makes it glow is an example of
a. | DNA fingerprinting. | c. | protein science. | b. | genetic engineering. | d. | firefly
breeding. |
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16.
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What did Watson and Crick’s model of DNA look like?
a. | a ball | c. | links in a chain | b. | a straight line | d. | a long, twisted
ladder |
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17.
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A string of nucleotides that has information for making one trait is
a. | a protein. | c. | an amino acid. | b. | a gene. | d. | a cell. |
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18.
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The complementary strand to the DNA sequence TAGTCA is
a. | ATGAGT. | c. | GTAGAT. | b. | GACAGT. | d. | ATCAGT. |
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19.
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Scientists compare organisms’ DNA to support the theory that all species
share a common
a. | separation. | c. | population. | b. | ancestor. | d. | environment. |
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20.
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Darwin theorized that individuals having an advantage due to their traits or
abilities will be more likely to survive and reproduce. His theory is known as
a. | evolution. | c. | adaptation. | b. | speciation. | d. | natural
selection. |
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21.
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What did Charles Darwin help to explain?
a. | the age of Earth | c. | how fossils are formed | b. | how species change
over time | d. | genetics |
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22.
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Which of the following is NOT a result of natural selection?
a. | horses that are bred to be faster | c. | bacteria that survive
antibiotics | b. | insects that are able to resist insecticides | d. | elephants that are born without
tusks |
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23.
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Sometimes part of a population moves away from the rest. What is this
called?
a. | division | c. | separation | b. | adaptation | d. | genetic change |
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24.
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The three most general levels of classification, from general to specific,
are
a. | kingdom, family, and class. | c. | kingdom, domain, and
order. | b. | domain, kingdom, and phylum. | d. | kingdom, domain, and
family. |
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25.
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The seahorse found along the Atlantic Coast of the United States has the
scientific name Hippocampus hudsonius. To what genus does the seahorse belong?
a. | fish | c. | Hippocampus | b. | horse | d. | hudsonius |
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26.
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All bacteria have
a. | one cell. | c. | three cells. | b. | two cells. | d. | four or more
cells. |
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27.
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What is one function that viruses share with living things?
a. | They eat. | c. | They reproduce. | b. | They move. | d. | They grow. |
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28.
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Which of the following is NOT a common shape of bacteria?
a. | spirilla | c. | bacilli | b. | cocci | d. | crystal |
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29.
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How do bacteria help the environment?
a. | Bacteria keep nitrogen away from plants. | c. | Bacteria cause
disease. | b. | Bacteria recycle dead animals and plants. | d. | Bacteria cause
cavities. |
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30.
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Which of the following provides most of the world’s oxygen?
a. | phytoplankton | c. | amoebas | b. | seaweed | d. | zooflagellates |
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31.
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What characteristic of protists means that their cells have a nucleus?
a. | eukaryotic | c. | chloroplasts | b. | parasitic | d. | microscopic |
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32.
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What is produced during asexual reproduction that can be easily spread by the
wind?
a. | mycorrhiza | c. | spores | b. | algae | d. | lichen |
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33.
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Where do most types of algae live?
a. | in dirt | c. | in sand | b. | in water | d. | in plants |
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34.
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What is an organism that eats other organisms called?
a. | vertebrate | c. | invertebrate | b. | consumer | d. | embryo |
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35.
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What kind of behavior is being demonstrated when a killer whale teaches its baby
to hunt?
a. | seasonal cycle | c. | courtship | b. | estivation | d. | parenting |
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36.
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A dolphin’s whistles and clicks are examples of communication using
a. | chemicals. | c. | touch. | b. | sound. | d. | sight. |
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37.
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Which of the following could be a result of living in a group?
a. | spotting predators more slowly | c. | hunting and killing smaller
prey | b. | being less visible to predators | d. | hunting and killing larger
prey |
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38.
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A group of tissues that carry out a special function of the body is a(n)
a. | embryo. | c. | behavior. | b. | organ. | d. | consumer. |
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39.
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Which of the following is NOT an example of a consumer?
a. | a panda eating bamboo | c. | algae using the sun’s energy | b. | a raccoon eating a
fish | d. | a butterfly drinking
nectar |
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40.
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What is an exoskeleton?
a. | hard external structure | c. | soft internal
structure | b. | loose frame | d. | brittle shell |
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41.
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Which of the following is NOT a group of amphibians?
a. | salamanders | c. | caecilians | b. | lizards and snakes | d. | frogs and toads |
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42.
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When a female fish lays unfertilized eggs in the water and the male drops sperm
on them, it is called
a. | external fertilization. | c. | embryonic
fertilization. | b. | internal fertilization. | d. | amniotic fertilization. |
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43.
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Grass that gains energy from the sun is an example of a
a. | consumer. | c. | decomposer. | b. | parasite. | d. | producer. |
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44.
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In which type of symbiosis do organisms help each other?
a. | parasitism | c. | community | b. | mutualism | d. | commensalism |
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45.
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What happened to other living things when the wolves no longer lived in
Yellowstone?
a. | They were better off. | c. | They died. | b. | They were out of balance. | d. | They were not
changed. |
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46.
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Which of the following statements about cycles of matter is true?
a. | Matter is lost in each cycle. | b. | Human activity has little or no impact on
cycles. | c. | Each cycle involves evaporation and condensation. | d. | Matter moves between
the environment and living things. |
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47.
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What happens to most of the precipitation that falls to Earth’s
surface?
a. | It falls directly into oceans. | b. | It remains in ponds and
lakes. | c. | It seeps into underground rock formations. | d. | It quickly
evaporates into the atmosphere. |
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48.
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Which of the following is a key abiotic factor in rivers?
a. | number of fish | c. | amount of salt | b. | speed of water | d. | how animals
adapt |
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